External Overlapping Washer is an especially designed elements which helps in fastening and ensures a tight and secure joining. It is also known as external over lock or serrated lock washer provided with teeth on its circumference. It is made up of premium quality of raw materials by our advanced production set-up, as per international quality norms. It creates a good amount of resisting force which helps to stop the nut from loosening. Due to the serrated set of teeth this metal element provides a larger surface area which results in the increased load distribution.